Basic & Business Course in Statistics II or simply BBC STAT II includes theoretical and applied topics in statistics that are of interest to students in all educational fields, such as business, economics, finance, and management. This book provides students with an excellent feedback to choose the convenient hypothesis test and estimation for population parameters and population variances. It also provides them with essential techniques to use correlation and linear regression analysis. This book includes significant places where technology is used, especially the use of Excel and PHStat 2 software. This book is designed for junior or senior students. Our guiding philosophy led us to build on this foundation in such a way that pupils acquire fundamental skills in higher business and higher statistics so that they are ready to make a decision with a least risk.